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1721 WEST YOSEMITE AVENUE, MANTECA, CA SECOR Project No. 50178-001-01 <br /> (ATTACHMENT 5) <br /> SECOR <br /> AIR MONITORING EQUIPMENT CALIBRATION/CHECK LOG <br /> BATTERY ZERO LEAK CHECK <br /> INSTRUMENT/ SERIAL CHECK ADJUST CAL113RATION READING (Colorimetric 'PERFORMED <br /> DATE MODEL NO. NO. OK? OK?.. GAS(PPM) PPM) Tube Pum ) BY COMNNIENTS <br /> H:\KA[SER\MANTECA\H&5 PLAN.RPT <br />